diff --git a/skillls/main.py b/skillls/main.py
index 12c5fef..19be7b9 100644
--- a/skillls/main.py
+++ b/skillls/main.py
@@ -92,14 +92,19 @@ class SkillLanguageServer(LanguageServer):
                     if fullmatch("\\w", line[col - 1]) and char == "(":
                         if m := re.match(r"([a-zA-Z_][a-zA-Z_0-9]*)$", line[:col]):
                             tok = m.group(1)
-                        else:
-                            tok = line[col - 1]
-                        yield Diagnostic(
-                            Range(
+                            r = Range(
                                 Position(row, col - len(tok)),
                                 Position(row, col + 1),
-                            ),
-                            f"c-ism detected: change to `( {tok}`",
+                            )
+                        else:
+                            tok = "<token>"
+                            r = Range(
+                                Position(row, col - 1),
+                                Position(row, col + 1),
+                            )
+                        yield Diagnostic(
+                            r,
+                            f"change `{tok}(` to `( {tok}` [cism]",
                             DiagnosticSeverity.Hint,
                         )